1 /* $NetBSD: aes_neon.h,v 1.3 2020/07/25 22:36:06 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _CRYPTO_AES_ARCH_ARM_AES_NEON_H 30 #define _CRYPTO_AES_ARCH_ARM_AES_NEON_H 31 32 #include <sys/types.h> 33 34 #include <crypto/aes/aes_impl.h> 35 36 struct aesenc; 37 struct aesdec; 38 39 /* 40 * These functions MUST NOT use any vector registers for parameters or 41 * results -- the caller is compiled with -mfloat-abi=soft in the 42 * kernel, and dynamically turns on the vector unit just before calling 43 * them. Internal subroutines that pass vector parameters are declared 44 * in aes_neon_impl.h instead. 45 */ 46 47 void aes_neon_setenckey(struct aesenc *, const uint8_t *, unsigned); 48 void aes_neon_setdeckey(struct aesdec *, const uint8_t *, unsigned); 49 50 void aes_neon_enc(const struct aesenc *, const uint8_t[static 16], 51 uint8_t[static 16], uint32_t); 52 void aes_neon_dec(const struct aesdec *, const uint8_t[static 16], 53 uint8_t[static 16], uint32_t); 54 void aes_neon_cbc_enc(const struct aesenc *, const uint8_t[static 16], 55 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 56 void aes_neon_cbc_dec(const struct aesdec *, const uint8_t[static 16], 57 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 58 void aes_neon_xts_enc(const struct aesenc *, const uint8_t[static 16], 59 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 60 void aes_neon_xts_dec(const struct aesdec *, const uint8_t[static 16], 61 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 62 void aes_neon_cbcmac_update1(const struct aesenc *, const uint8_t[static 16], 63 size_t, uint8_t[static 16], uint32_t); 64 void aes_neon_ccm_enc1(const struct aesenc *, const uint8_t[static 16], 65 uint8_t[static 16], size_t, uint8_t[static 32], uint32_t); 66 void aes_neon_ccm_dec1(const struct aesenc *, const uint8_t[static 16], 67 uint8_t[static 16], size_t, uint8_t[static 32], uint32_t); 68 69 int aes_neon_selftest(void); 70 71 extern struct aes_impl aes_neon_impl; 72 73 #endif /* _CRYPTO_AES_ARCH_ARM_AES_NEON_H */ 74